Implement preprocessor code completion where a macro name is expected,
e.g., after #ifdef/#ifndef or #undef, or inside a defined <macroname>
expression in a preprocessor conditional.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111954 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Lex/PPDirectives.cpp b/lib/Lex/PPDirectives.cpp
index e0729f1..8da7def 100644
--- a/lib/Lex/PPDirectives.cpp
+++ b/lib/Lex/PPDirectives.cpp
@@ -75,6 +75,13 @@
// Read the token, don't allow macro expansion on it.
LexUnexpandedToken(MacroNameTok);
+ if (MacroNameTok.is(tok::code_completion)) {
+ if (CodeComplete)
+ CodeComplete->CodeCompleteMacroName(isDefineUndef == 1);
+ LexUnexpandedToken(MacroNameTok);
+ return;
+ }
+
// Missing macro name?
if (MacroNameTok.is(tok::eom)) {
Diag(MacroNameTok, diag::err_pp_missing_macro_name);